Home / 15,400,350.60-21,254,383.26-8,786,567.40

Finding the Fourth Proportional to 15,400,350.60, 21,254,383.26 and 8,786,567.40

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Solution

The fourth proportional to 15,400,350.60, 21,254,383.26 and 8,786,567.40 is: 12,126,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,350.60 : 21,254,383.26 = 8,786,567.40 : x
  2. Step 2: Convert to fraction form
    15,400,350.60/21,254,383.26 = 8,786,567.40/x
  3. Step 3: Cross multiply
    15,400,350.60x = 21,254,383.26 × 8,786,567.40
  4. Step 4: Simplify right side
    15,400,350.60x = 186,753,071,059,421.75
  5. Step 5: Solve for x
    x = 186,753,071,059,421.75/15,400,350.60
  6. Step 6: Final answer
    x = 12,126,546.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.